Summary | ZeroBOX

Category	Machine	Started	Completed
FILE	s1_win7_x6401	March 31, 2021, 6:11 p.m.	March 31, 2021, 6:23 p.m.

Size	891.5KB
Type	PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
MD5	`d252df229e75a286174af3bd88d72661`
SHA256	`92b01825d609f575156dcac6ce4cd7e8d01e56c7add5166962b3b3140347c937`
CRC32	`8EAF03AB`
ssdeep	`24576:Nilm2fFBhEStCFJpw1ALGmTDz/KyBuZtDlf+:JEpe9b/vstD`
Yara	PE_Header_Zero - PE File Signature Zero network_tcp_listen - Listen for incoming communication network_dns - Communications use DNS IsPE32 - (no description) IsNET_EXE - (no description) IsWindowsGUI - (no description) IsPacked - Entropy Check

regasm.exe "C:\Users\test22\AppData\Local\Temp\regasm.exe"
1116
- regasm.exe "C:\Users\test22\AppData\Local\Temp\regasm.exe"
  732

Name	Response	Post-Analysis Lookup
No hosts contacted.

IP Address	Status	Action
164.124.101.2	Active	Moloch

Suricata Alerts

No Suricata Alerts

Suricata TLS

No Suricata TLS

Queries for the computername (4 events)

Time & API	Arguments	Status	Return
GetComputerNameW March 31, 2021, 6:22 p.m.	computer_name: TEST22-PC	1	1
GetComputerNameW March 31, 2021, 6:22 p.m.	computer_name: TEST22-PC	1	1
GetComputerNameW March 31, 2021, 6:22 p.m.	computer_name: TEST22-PC	1	1
GetComputerNameW March 31, 2021, 6:22 p.m.	computer_name: TEST22-PC	1	1

Checks if process is being debugged by a debugger (4 events)

Time & API	Arguments	Status	Return	Repeated
IsDebuggerPresent March 31, 2021, 6:11 p.m.			0	0
IsDebuggerPresent March 31, 2021, 6:11 p.m.			0	0
IsDebuggerPresent March 31, 2021, 6:22 p.m.			0	0
IsDebuggerPresent March 31, 2021, 6:22 p.m.			0	0

Uses Windows APIs to generate a cryptographic key (3 events)

Time & API	Arguments	Status	Return
CryptExportKey March 31, 2021, 6:11 p.m.	buffer: <INVALID POINTER> crypto_handle: 0x0053a930 flags: 0 crypto_export_handle: 0x00000000 blob_type: 6	1	1
CryptExportKey March 31, 2021, 6:11 p.m.	buffer: <INVALID POINTER> crypto_handle: 0x0053a8b0 flags: 0 crypto_export_handle: 0x00000000 blob_type: 6	1	1
CryptExportKey March 31, 2021, 6:11 p.m.	buffer: <INVALID POINTER> crypto_handle: 0x0053a8b0 flags: 0 crypto_export_handle: 0x00000000 blob_type: 6	1	1

Checks amount of memory in system, this can be used to detect virtual machines that have a low amount of memory available (1 event)

Time & API	Arguments	Status	Return	Repeated
GlobalMemoryStatusEx March 31, 2021, 6:11 p.m.		1	1	0

One or more processes crashed (1 event)

Time & API	Arguments	Status	Return	Repeated
__exception__ March 31, 2021, 6:22 p.m.	stacktrace: 0x8717e0 0x871003 DllUnregisterServerInternal-0x7aa2 clr+0x2652 @ 0x720a2652 DllRegisterServerInternal+0x243 CoUninitializeEE-0xd1f5 clr+0x1264f @ 0x720b264f DllRegisterServerInternal+0xa89 CoUninitializeEE-0xc9af clr+0x12e95 @ 0x720b2e95 DllGetClassObjectInternal+0x2473 CorDllMainForThunk-0x8a088 clr+0xc74ec @ 0x721674ec DllGetClassObjectInternal+0x2597 CorDllMainForThunk-0x89f64 clr+0xc7610 @ 0x72167610 CorDllMainForThunk+0x850 _CorExeMain-0x238a clr+0x151dc4 @ 0x721f1dc4 CorDllMainForThunk+0x8f3 _CorExeMain-0x22e7 clr+0x151e67 @ 0x721f1e67 CorDllMainForThunk+0xa06 _CorExeMain-0x21d4 clr+0x151f7a @ 0x721f1f7a _CorExeMain+0x1c ClrCreateManagedInstance-0x35cd clr+0x15416a @ 0x721f416a _CorExeMain+0x71 GetFileVersion-0x293a mscoreei+0xf5a3 @ 0x736ef5a3 CreateConfigStream+0x13f GetProcessExecutableHeap-0xad6 mscoree+0x7f16 @ 0x743c7f16 _CorExeMain+0x8 CreateConfigStream-0x2ff4 mscoree+0x4de3 @ 0x743c4de3 RtlInitializeExceptionChain+0x63 RtlAllocateActivationContextStack-0xa1 ntdll+0x39ed2 @ 0x773d9ed2 RtlInitializeExceptionChain+0x36 RtlAllocateActivationContextStack-0xce ntdll+0x39ea5 @ 0x773d9ea5 exception.instruction_r: 8b 01 8b 40 28 ff 10 89 45 e0 8b 4d dc e8 43 d7 exception.instruction: mov eax, dword ptr [ecx] exception.exception_code: 0xc0000005 exception.symbol: exception.address: 0x871c53 registers.esp: 3338080 registers.edi: 3338104 registers.eax: 0 registers.ebp: 3338116 registers.edx: 195 registers.ebx: 3338364 registers.esi: 36321848 registers.ecx: 0	1	0	0

Time & API

Arguments

Status

Return

Repeated

__exception__

March 31, 2021, 6:22 p.m.

stacktrace:

0x8717e0
0x871003
DllUnregisterServerInternal-0x7aa2 clr+0x2652 @ 0x720a2652
DllRegisterServerInternal+0x243 CoUninitializeEE-0xd1f5 clr+0x1264f @ 0x720b264f
DllRegisterServerInternal+0xa89 CoUninitializeEE-0xc9af clr+0x12e95 @ 0x720b2e95
DllGetClassObjectInternal+0x2473 CorDllMainForThunk-0x8a088 clr+0xc74ec @ 0x721674ec
DllGetClassObjectInternal+0x2597 CorDllMainForThunk-0x89f64 clr+0xc7610 @ 0x72167610
CorDllMainForThunk+0x850 _CorExeMain-0x238a clr+0x151dc4 @ 0x721f1dc4
CorDllMainForThunk+0x8f3 _CorExeMain-0x22e7 clr+0x151e67 @ 0x721f1e67
CorDllMainForThunk+0xa06 _CorExeMain-0x21d4 clr+0x151f7a @ 0x721f1f7a
_CorExeMain+0x1c ClrCreateManagedInstance-0x35cd clr+0x15416a @ 0x721f416a
_CorExeMain+0x71 GetFileVersion-0x293a mscoreei+0xf5a3 @ 0x736ef5a3
CreateConfigStream+0x13f GetProcessExecutableHeap-0xad6 mscoree+0x7f16 @ 0x743c7f16
_CorExeMain+0x8 CreateConfigStream-0x2ff4 mscoree+0x4de3 @ 0x743c4de3
RtlInitializeExceptionChain+0x63 RtlAllocateActivationContextStack-0xa1 ntdll+0x39ed2 @ 0x773d9ed2
RtlInitializeExceptionChain+0x36 RtlAllocateActivationContextStack-0xce ntdll+0x39ea5 @ 0x773d9ea5

exception.instruction_r: 8b 01 8b 40 28 ff 10 89 45 e0 8b 4d dc e8 43 d7
exception.instruction: mov eax, dword ptr [ecx]
exception.exception_code: 0xc0000005
exception.symbol:
exception.address: 0x871c53
registers.esp: 3338080
registers.edi: 3338104
registers.eax: 0
registers.ebp: 3338116
registers.edx: 195
registers.ebx: 3338364
registers.esi: 36321848
registers.ecx: 0

One or more potentially interesting buffers were extracted, these generally contain injected code, configuration data, etc.

Allocates read-write-execute memory (usually to unpack itself) (50 out of 66 events)

Time & API	Arguments	Status
NtAllocateVirtualMemory March 31, 2021, 6:11 p.m.	process_identifier: 1116 region_size: 1572864 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00760000 allocation_type: 8192 (MEM_RESERVE) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 31, 2021, 6:11 p.m.	process_identifier: 1116 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x008a0000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtProtectVirtualMemory March 31, 2021, 6:11 p.m.	process_identifier: 1116 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x72741000 process_handle: 0xffffffff	1
NtProtectVirtualMemory March 31, 2021, 6:11 p.m.	process_identifier: 1116 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x72742000 process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 31, 2021, 6:11 p.m.	process_identifier: 1116 region_size: 1769472 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x02050000 allocation_type: 8192 (MEM_RESERVE) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 31, 2021, 6:11 p.m.	process_identifier: 1116 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x021c0000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 31, 2021, 6:11 p.m.	process_identifier: 1116 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00602000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 31, 2021, 6:11 p.m.	process_identifier: 1116 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00635000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 31, 2021, 6:11 p.m.	process_identifier: 1116 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0063b000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 31, 2021, 6:11 p.m.	process_identifier: 1116 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00637000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 31, 2021, 6:11 p.m.	process_identifier: 1116 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0061c000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 31, 2021, 6:11 p.m.	process_identifier: 1116 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00720000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 31, 2021, 6:11 p.m.	process_identifier: 1116 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0060a000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 31, 2021, 6:11 p.m.	process_identifier: 1116 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0062a000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 31, 2021, 6:11 p.m.	process_identifier: 1116 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00627000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 31, 2021, 6:11 p.m.	process_identifier: 1116 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0061a000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 31, 2021, 6:11 p.m.	process_identifier: 1116 region_size: 327680 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x7ef50000 allocation_type: 1056768 (MEM_RESERVE\|MEM_TOP_DOWN) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 31, 2021, 6:11 p.m.	process_identifier: 1116 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x7ef50000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 31, 2021, 6:11 p.m.	process_identifier: 1116 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x7ef50000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 31, 2021, 6:11 p.m.	process_identifier: 1116 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x7ef58000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 31, 2021, 6:11 p.m.	process_identifier: 1116 region_size: 65536 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x7ef40000 allocation_type: 1056768 (MEM_RESERVE\|MEM_TOP_DOWN) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 31, 2021, 6:11 p.m.	process_identifier: 1116 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x7ef40000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 31, 2021, 6:11 p.m.	process_identifier: 1116 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00721000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 31, 2021, 6:11 p.m.	process_identifier: 1116 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0060c000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 31, 2021, 6:13 p.m.	process_identifier: 1116 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00722000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtProtectVirtualMemory March 31, 2021, 6:13 p.m.	process_identifier: 1116 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x6dde2000 process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 31, 2021, 6:13 p.m.	process_identifier: 1116 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0061d000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 31, 2021, 6:13 p.m.	process_identifier: 1116 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00723000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 31, 2021, 6:13 p.m.	process_identifier: 1116 region_size: 24576 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00724000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 31, 2021, 6:13 p.m.	process_identifier: 1116 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0072a000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 31, 2021, 6:13 p.m.	process_identifier: 1116 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0072b000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 31, 2021, 6:13 p.m.	process_identifier: 1116 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0072c000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 31, 2021, 6:13 p.m.	process_identifier: 1116 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00626000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 31, 2021, 6:22 p.m.	process_identifier: 732 region_size: 851968 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00590000 allocation_type: 8192 (MEM_RESERVE) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 31, 2021, 6:22 p.m.	process_identifier: 732 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00620000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtProtectVirtualMemory March 31, 2021, 6:22 p.m.	process_identifier: 732 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x720a1000 process_handle: 0xffffffff	1
NtProtectVirtualMemory March 31, 2021, 6:22 p.m.	process_identifier: 732 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x720a2000 process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 31, 2021, 6:22 p.m.	process_identifier: 732 region_size: 458752 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x005b0000 allocation_type: 8192 (MEM_RESERVE) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 31, 2021, 6:22 p.m.	process_identifier: 732 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x005e0000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 31, 2021, 6:22 p.m.	process_identifier: 732 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x004d2000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 31, 2021, 6:22 p.m.	process_identifier: 732 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00505000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 31, 2021, 6:22 p.m.	process_identifier: 732 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0050b000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 31, 2021, 6:22 p.m.	process_identifier: 732 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00507000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 31, 2021, 6:22 p.m.	process_identifier: 732 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x004ec000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 31, 2021, 6:22 p.m.	process_identifier: 732 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x004ed000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 31, 2021, 6:22 p.m.	process_identifier: 732 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00870000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 31, 2021, 6:22 p.m.	process_identifier: 732 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x004da000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 31, 2021, 6:22 p.m.	process_identifier: 732 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x004ea000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtProtectVirtualMemory March 31, 2021, 6:22 p.m.	process_identifier: 732 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x72a12000 process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 31, 2021, 6:22 p.m.	process_identifier: 732 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00871000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1

The binary likely contains encrypted or compressed data indicative of a packer (2 events)

section

{u'size_of_data': u'0x000c1c00', u'virtual_address': u'0x00002000', u'entropy': 7.79262951744223, u'name': u'.text', u'virtual_size': u'0x000c1b44'}

entropy

7.79262951744

description

A section with a high entropy has been found

entropy

0.869809203143

description

Overall entropy of this PE file is high

Checks for the Locally Unique Identifier on the system for a suspicious privilege (1 event)

Time & API	Arguments	Status	Return	Repeated
LookupPrivilegeValueW March 31, 2021, 6:22 p.m.	system_name: privilege_name: SeDebugPrivilege	1	1	0

Yara rule detected in process memory (12 events)

description	Listen for incoming communication	rule	network_tcp_listen
description	Communications smtp	rule	network_smtp_dotNet
description	Communications use DNS	rule	network_dns
description	Run a keylogger	rule	keylogger
description	(no description)	rule	DebuggerCheck__GlobalFlags
description	(no description)	rule	DebuggerCheck__QueryInfo
description	(no description)	rule	DebuggerHiding__Thread
description	(no description)	rule	DebuggerHiding__Active
description	(no description)	rule	ThreadControl__Context
description	(no description)	rule	SEH__vectored
description	Bypass DEP	rule	disable_dep
description	Affect hook table	rule	win_hook

Allocates execute permission to another process indicative of possible code injection (1 event)

Time & API	Arguments	Status	Return	Repeated
NtAllocateVirtualMemory March 31, 2021, 6:13 p.m.	process_identifier: 732 region_size: 245760 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00400000 allocation_type: 12288 (MEM_COMMIT\|MEM_RESERVE) process_handle: 0x00000244	1	0	0

Looks for the Windows Idle Time to determine the uptime (1 event)

Time & API	Arguments	Status	Return	Repeated
NtQuerySystemInformation March 31, 2021, 6:22 p.m.	information_class: 8 (SystemProcessorPerformanceInformation)	1	0	0

A process attempted to delay the analysis task. (1 event)

description

regasm.exe tried to sleep 5456442 seconds, actually delayed analysis time by 5456442 seconds

Potential code injection by writing to the memory of another process (4 events)

Time & API	Arguments	Status	Return
WriteProcessMemory March 31, 2021, 6:13 p.m.	buffer: MZÿÿ¸@º´ Í!¸LÍ!This program cannot be run in DOS mode. $PEL¢]`àX>v @ À@èuS( H.textDV X `.rsrc(Z@@.reloc `@B base_address: 0x00400000 process_identifier: 732 process_handle: 0x00000244	1	1
WriteProcessMemory March 31, 2021, 6:13 p.m.	buffer: 8Ph 8ê4VS_VERSION_INFO½ïþ?DVarFileInfo$Translation°ôStringFileInfoÐ000004b0,FileDescription 0FileVersion0.0.0.0` InternalNameUTtsqJVSlZOWdGBQvpvAEmhakAI.exe(LegalCopyright h OriginalFilenameUTtsqJVSlZOWdGBQvpvAEmhakAI.exe4ProductVersion0.0.0.08Assembly Version0.0.0.0ï»¿<?xml version="1.0" encoding="UTF-8" standalone="yes"?> <assembly xmlns="urn:schemas-microsoft-com:asm.v1" manifestVersion="1.0"> <assemblyIdentity version="1.0.0.0" name="MyApplication.app"/> <trustInfo xmlns="urn:schemas-microsoft-com:asm.v2"> <security> <requestedPrivileges xmlns="urn:schemas-microsoft-com:asm.v3"> <requestedExecutionLevel level="asInvoker" uiAccess="false"/> </requestedPrivileges> </security> </trustInfo> </assembly> base_address: 0x00438000 process_identifier: 732 process_handle: 0x00000244	1	1
WriteProcessMemory March 31, 2021, 6:13 p.m.	buffer: p@6 base_address: 0x0043a000 process_identifier: 732 process_handle: 0x00000244	1	1
WriteProcessMemory March 31, 2021, 6:13 p.m.	buffer: @ base_address: 0x7efde008 process_identifier: 732 process_handle: 0x00000244	1	1

Code injection by writing an executable or DLL to the memory of another process (1 event)

Time & API	Arguments	Status	Return	Repeated
WriteProcessMemory March 31, 2021, 6:13 p.m.	buffer: MZÿÿ¸@º´ Í!¸LÍ!This program cannot be run in DOS mode. $PEL¢]`àX>v @ À@èuS( H.textDV X `.rsrc(Z@@.reloc `@B base_address: 0x00400000 process_identifier: 732 process_handle: 0x00000244	1	1	0

File has been identified by 16 AntiVirus engines on VirusTotal as malicious (16 events)

Elastic	malicious (high confidence)
FireEye	Generic.mg.d252df229e75a286
Cylance	Unsafe
Cybereason	malicious.7336a1
Cyren	W32/MSIL_Kryptik.DLO.gen!Eldorado
Symantec	Scr.Malcode!gdn34
ESET-NOD32	a variant of MSIL/Kryptik.AAFO
APEX	Malicious
ClamAV	Win.Malware.Malwarex-9845286-0
DrWeb	Trojan.PackedNET.576
SentinelOne	Static AI - Malicious PE
Microsoft	Trojan:Win32/AgentTesla!ml
Cynet	Malicious (score: 100)
Malwarebytes	Malware.AI.4076588973
BitDefenderTheta	Gen:NN.ZemsilF.34662.3m0@a87455m
Qihoo-360	HEUR/QVM03.0.441F.Malware.Gen

Used NtSetContextThread to modify a thread in a remote process indicative of process injection (2 events)

Time & API	Arguments	Status	Return	Repeated
Process injection	Process 1116 called NtSetContextThread to modify thread in remote process 732
NtSetContextThread March 31, 2021, 6:13 p.m.	registers.eip: 0 registers.esp: 0 registers.edi: 0 registers.eax: 4421182 registers.ebp: 0 registers.edx: 0 registers.ebx: 2130567168 registers.esi: 0 registers.ecx: 0 thread_handle: 0x0000023c process_identifier: 732	1	0	0

Resumed a suspended thread in a remote process potentially indicative of process injection (2 events)

Time & API	Arguments	Status	Return	Repeated
Process injection	Process 1116 resumed a thread in remote process 732
NtResumeThread March 31, 2021, 6:13 p.m.	thread_handle: 0x0000023c suspend_count: 1 process_identifier: 732	1	0	0

Executed a process and injected code into it, probably while unpacking (20 events)

Time & API	Arguments	Status	Return
NtResumeThread March 31, 2021, 6:11 p.m.	thread_handle: 0x000000dc suspend_count: 1 process_identifier: 1116	1	0
NtResumeThread March 31, 2021, 6:11 p.m.	thread_handle: 0x00000150 suspend_count: 1 process_identifier: 1116	1	0
NtResumeThread March 31, 2021, 6:11 p.m.	thread_handle: 0x00000190 suspend_count: 1 process_identifier: 1116	1	0
CreateProcessInternalW March 31, 2021, 6:13 p.m.	thread_identifier: 1468 thread_handle: 0x0000023c process_identifier: 732 current_directory: filepath: C:\Users\test22\AppData\Local\Temp\regasm.exe track: 1 command_line: filepath_r: C:\Users\test22\AppData\Local\Temp\regasm.exe stack_pivoted: 0 creation_flags: 134217732 (CREATE_NO_WINDOW\|CREATE_SUSPENDED) inherit_handles: 0 process_handle: 0x00000244	1	1
NtGetContextThread March 31, 2021, 6:13 p.m.	thread_handle: 0x0000023c	1	0
NtAllocateVirtualMemory March 31, 2021, 6:13 p.m.	process_identifier: 732 region_size: 245760 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00400000 allocation_type: 12288 (MEM_COMMIT\|MEM_RESERVE) process_handle: 0x00000244	1	0
WriteProcessMemory March 31, 2021, 6:13 p.m.	buffer: MZÿÿ¸@º´ Í!¸LÍ!This program cannot be run in DOS mode. $PEL¢]`àX>v @ À@èuS( H.textDV X `.rsrc(Z@@.reloc `@B base_address: 0x00400000 process_identifier: 732 process_handle: 0x00000244	1	1
WriteProcessMemory March 31, 2021, 6:13 p.m.	buffer: base_address: 0x00402000 process_identifier: 732 process_handle: 0x00000244	1	1
WriteProcessMemory March 31, 2021, 6:13 p.m.	buffer: 8Ph 8ê4VS_VERSION_INFO½ïþ?DVarFileInfo$Translation°ôStringFileInfoÐ000004b0,FileDescription 0FileVersion0.0.0.0` InternalNameUTtsqJVSlZOWdGBQvpvAEmhakAI.exe(LegalCopyright h OriginalFilenameUTtsqJVSlZOWdGBQvpvAEmhakAI.exe4ProductVersion0.0.0.08Assembly Version0.0.0.0ï»¿<?xml version="1.0" encoding="UTF-8" standalone="yes"?> <assembly xmlns="urn:schemas-microsoft-com:asm.v1" manifestVersion="1.0"> <assemblyIdentity version="1.0.0.0" name="MyApplication.app"/> <trustInfo xmlns="urn:schemas-microsoft-com:asm.v2"> <security> <requestedPrivileges xmlns="urn:schemas-microsoft-com:asm.v3"> <requestedExecutionLevel level="asInvoker" uiAccess="false"/> </requestedPrivileges> </security> </trustInfo> </assembly> base_address: 0x00438000 process_identifier: 732 process_handle: 0x00000244	1	1
WriteProcessMemory March 31, 2021, 6:13 p.m.	buffer: p@6 base_address: 0x0043a000 process_identifier: 732 process_handle: 0x00000244	1	1
WriteProcessMemory March 31, 2021, 6:13 p.m.	buffer: @ base_address: 0x7efde008 process_identifier: 732 process_handle: 0x00000244	1	1
NtSetContextThread March 31, 2021, 6:13 p.m.	registers.eip: 0 registers.esp: 0 registers.edi: 0 registers.eax: 4421182 registers.ebp: 0 registers.edx: 0 registers.ebx: 2130567168 registers.esi: 0 registers.ecx: 0 thread_handle: 0x0000023c process_identifier: 732	1	0
NtResumeThread March 31, 2021, 6:13 p.m.	thread_handle: 0x0000023c suspend_count: 1 process_identifier: 732	1	0
NtResumeThread March 31, 2021, 6:22 p.m.	thread_handle: 0x000000dc suspend_count: 1 process_identifier: 732	1	0
NtResumeThread March 31, 2021, 6:22 p.m.	thread_handle: 0x00000150 suspend_count: 1 process_identifier: 732	1	0
NtResumeThread March 31, 2021, 6:22 p.m.	thread_handle: 0x00000194 suspend_count: 1 process_identifier: 732	1	0
NtResumeThread March 31, 2021, 6:22 p.m.	thread_handle: 0x0000031c suspend_count: 1 process_identifier: 732	1	0
NtResumeThread March 31, 2021, 6:22 p.m.	thread_handle: 0x0000033c suspend_count: 1 process_identifier: 732	1	0
NtResumeThread March 31, 2021, 6:22 p.m.	thread_handle: 0x000003a0 suspend_count: 1 process_identifier: 732	1	0
NtResumeThread March 31, 2021, 6:22 p.m.	thread_handle: 0x00000418 suspend_count: 1 process_identifier: 732	1	0

regasm.exe

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